ClimaFlow Temperature Control - specially perforated ClimaFlow panels and breathable mesh fabrics encourage air ventilation to ensure your child is comfortable and at the right temperature, at all times Store away the harness when converting to child mode and use 3-point car seatbelt from 4-12 years oldTitan i-Size has been designed to protect, comfort and last. The multi-age car seat, built to the highest i-Size safety standards, provides safety & comfort for children aged 15 months to 12 years. The harness can be used until your little one can use the car’s seat belt. Titan i-Size has G-CELL technology integrated into the side structure to protect your child in the best possible way, engineered to spread forces of an impact away from your child. Read our full Maxi-Cosi Morion review to see if it impressed in our front and side-impact crash tests.